Tanjiro, Inosuke, and Zenitsu were rescued by Shinobu and Tomioka after their mission on Mt. Natagumo. While the three swordsmen are taking their sleep, a sudden noise and a blinding light sent them to a mysterious room alongside with the Hashiras and their swordsmiths. What would they react to see Tanjiro's previous life and how he became one of the greatest Demon Slayers in the present.
7 years has passed and Nagisa becomes a teacher and an underground hero called Blue until he receives an email asking him to teach at UA high
I do not own assassination classroom of course
I do not own to artworks
I do own this horrible fanfic
Warning :
A) This is my 1st fanfic so idk how to do it
B) English is not my first language and I'm bad at grammar
C) pairings may to added later
Nagisa's students decide that spying on their teacher is the only way they'll find out more about his relationship with the mysterious red-head who has been giving the teacher rides to class.